package com.spr.application;

import android.*;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.annotation.TargetApi;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.support.annotation.NonNull;
import android.support.design.widget.Snackbar;
import android.support.v4.content.LocalBroadcastManager;
import android.support.v7.app.AppCompatActivity;
import android.app.LoaderManager.LoaderCallbacks;

import android.content.CursorLoader;
import android.content.Loader;
import android.database.Cursor;
import android.net.Uri;
import android.os.AsyncTask;

import android.os.Build;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.text.TextUtils;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.inputmethod.EditorInfo;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import com.google.zxing.integration.android.IntentIntegrator;
import com.google.zxing.integration.android.IntentResult;
import com.spr.bean.LoginResult;
import com.spr.config.WebConfig;
import com.spr.jpush.ExampleUtil;
import com.spr.jpush.TagAliasOperatorHelper;
import com.spr.util.HttpUtil;
import com.spr.util.PreferencesUtil;

import java.util.ArrayList;
import java.util.List;

import pub.devrel.easypermissions.AfterPermissionGranted;
import pub.devrel.easypermissions.EasyPermissions;

import static android.Manifest.permission.READ_CONTACTS;

/**
 * A login screen that offers login via email/password.
 */
public class LoginActivity extends AppCompatActivity implements LoaderCallbacks<Cursor>,EasyPermissions.PermissionCallbacks {

    /**
     * Id to identity READ_CONTACTS permission request.
     */
    private static final int REQUEST_READ_CONTACTS = 0;

    /**
     * A dummy authentication store containing known user names and passwords.
     * TODO: remove after connecting to a real authentication system.
     */
    private static final String[] DUMMY_CREDENTIALS = new String[]{
            "foo@example.com:hello", "bar@example.com:world"
    };

    private static final String userNameKey = "userName";
    private static final String pwdKey = "pwd";
    public static final String autoLoginKey= "autoLogin";


    /**
     * Keep track of the login task to ensure we can cancel it if requested.
     */
    private UserLoginTask mAuthTask = null;


    // UI references.
    private AutoCompleteTextView mEmailView;
    private EditText mPasswordView;
    private View mProgressView;
    private View mLoginFormView;


    public static String cookieVal;

    public static boolean isForeground = false;


    public void goWebView() {
        Intent intent = new Intent(LoginActivity.this, WebActivity.class);
        intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
        startActivity(intent);
    }

    public void goBluetooth() {
        Intent intent = new Intent(LoginActivity.this, BluetoothChoiceActivity.class);
        intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
        startActivity(intent);
    }


    // 你也可以使用简单的扫描功能，但是一般扫描的样式和行为都是可以自定义的，这里就写关于自定义的代码了
    // 你可以把这个方法作为一个点击事件
    public void goScan(View view) {
        new IntentIntegrator(this)
                .setOrientationLocked(false)
                .setCaptureActivity(CustomScanActivity.class) // 设置自定义的activity是CustomActivity
                .initiateScan(); // 初始化扫描
      /*  Intent intent = new Intent(LoginActivity.this, WebActivity.class);
        intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
        startActivity(intent);*/
    }


    @Override
// 通过 onActivityResult的方法获取 扫描回来的 值
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        IntentResult intentResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, data);
        if (intentResult != null) {
            if (intentResult.getContents() == null) {
                Toast.makeText(this, "内容为空", Toast.LENGTH_LONG).show();
            } else {
                Toast.makeText(this, "扫描成功", Toast.LENGTH_LONG).show();
                // ScanResult 为 获取到的字符串
                String ScanResult = intentResult.getContents();

                Toast.makeText(this, ScanResult, Toast.LENGTH_LONG).show();
            }
        } else {
            super.onActivityResult(requestCode, resultCode, data);
        }
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_login);
        // Set up the login form.
        mEmailView = (AutoCompleteTextView) findViewById(R.id.email);
        populateAutoComplete();

        mPasswordView = (EditText) findViewById(R.id.password);
        mPasswordView.setOnEditorActionListener(new TextView.OnEditorActionListener() {
            @Override
            public boolean onEditorAction(TextView textView, int id, KeyEvent keyEvent) {
                if (id == R.id.login || id == EditorInfo.IME_NULL) {
                    attemptLogin();
                    return true;
                }
                return false;
            }
        });

        Button mEmailSignInButton = (Button) findViewById(R.id.email_sign_in_button);
        mEmailSignInButton.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View view) {
                attemptLogin();
            }
        });

       /* Button blueButton = (Button) findViewById(R.id.web_button3);
        blueButton.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View view) {
                goBluetooth();
            }
        });*/

        mLoginFormView = findViewById(R.id.login_form);
        mProgressView = findViewById(R.id.login_progress);


        Object userName = PreferencesUtil.get(LoginActivity.this, userNameKey, "");
        Object pwd = PreferencesUtil.get(LoginActivity.this, pwdKey, "");

        Bundle bundle = getIntent().getExtras();
        Boolean autoLogin = true;
        if(bundle!=null){
            Boolean  temp  = bundle.getBoolean(autoLoginKey);
            if(temp!=null){
                autoLogin = temp;
            }
        }


        //默认登录
        if( autoLogin && userName != null && pwd != null){
            mAuthTask = new UserLoginTask(String.valueOf(userName), String.valueOf(pwd));
            mAuthTask.execute((Void) null);

            return;
        }
        if (userName != null) {
            mEmailView.setText(String.valueOf(userName));
        }
        if (pwd != null) {
            mPasswordView.setText(String.valueOf(pwd));
        }


    }


    private void populateAutoComplete() {
        if (!mayRequestContacts()) {
            return;
        }

        getLoaderManager().initLoader(0, null, this);
    }

    @Override
    protected void onStart() {
        super.onStart();

        //requestCodeQRCodePermissions();
       // attemptLogin();
    }

    private boolean mayRequestContacts() {
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
            return true;
        }
        if (checkSelfPermission(READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
            return true;
        }
        if (shouldShowRequestPermissionRationale(READ_CONTACTS)) {
            Snackbar.make(mEmailView, R.string.permission_rationale, Snackbar.LENGTH_INDEFINITE)
                    .setAction(android.R.string.ok, new View.OnClickListener() {
                        @Override
                        @TargetApi(Build.VERSION_CODES.M)
                        public void onClick(View v) {
                            requestPermissions(new String[]{READ_CONTACTS}, REQUEST_READ_CONTACTS);
                        }
                    });
        } else {
            requestPermissions(new String[]{READ_CONTACTS}, REQUEST_READ_CONTACTS);
        }
        return false;
    }

    /**
     * Callback received when a permissions request has been completed.
     */
    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
                                           @NonNull int[] grantResults) {
        if (requestCode == REQUEST_READ_CONTACTS) {
            if (grantResults.length == 1 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                populateAutoComplete();
            }
        }
        if (requestCode == REQUEST_CODE_QRCODE_PERMISSIONS) {
            EasyPermissions.onRequestPermissionsResult(requestCode, permissions, grantResults, this);
        }
    }


    /**
     * Attempts to sign in or register the account specified by the login form.
     * If there are form errors (invalid email, missing fields, etc.), the
     * errors are presented and no actual login attempt is made.
     */
    private void attemptLogin() {
        if (mAuthTask != null) {
            return;
        }

        // Reset errors.
        mEmailView.setError(null);
        mPasswordView.setError(null);

        // Store values at the time of the login attempt.
        String email = mEmailView.getText().toString();
        String password = mPasswordView.getText().toString();

        boolean cancel = false;
        View focusView = null;

        // Check for a valid password, if the user entered one.
        if (!TextUtils.isEmpty(password) && !isPasswordValid(password)) {
            mPasswordView.setError(getString(R.string.error_invalid_password));
            focusView = mPasswordView;
            cancel = true;
        }

        // Check for a valid email address.
        if (TextUtils.isEmpty(email)) {
            mEmailView.setError(getString(R.string.error_field_required));
            focusView = mEmailView;
            cancel = true;
        } else if (!isEmailValid(email)) {
            mEmailView.setError(getString(R.string.error_invalid_email));
            focusView = mEmailView;
            cancel = true;
        }

        if (cancel) {
            // There was an error; don't attempt login and focus the first
            // form field with an error.
            focusView.requestFocus();
        } else {
            // Show a progress spinner, and kick off a background task to
            // perform the user login attempt.
            showProgress(true);
            mAuthTask = new UserLoginTask(email, password);
            mAuthTask.execute((Void) null);

        }
    }

    private boolean isEmailValid(String email) {
        //TODO: Replace this with your own logic
        // return email.contains("@");
        return true;
    }

    private boolean isPasswordValid(String password) {
        //TODO: Replace this with your own logic
        return password.length() > 4;
    }

    /**
     * Shows the progress UI and hides the login form.
     */
    @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2)
    private void showProgress(final boolean show) {
        // On Honeycomb MR2 we have the ViewPropertyAnimator APIs, which allow
        // for very easy animations. If available, use these APIs to fade-in
        // the progress spinner.
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
            int shortAnimTime = getResources().getInteger(android.R.integer.config_shortAnimTime);

            mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
            mLoginFormView.animate().setDuration(shortAnimTime).alpha(
                    show ? 0 : 1).setListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
                }
            });

            mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
            mProgressView.animate().setDuration(shortAnimTime).alpha(
                    show ? 1 : 0).setListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
                }
            });
        } else {
            // The ViewPropertyAnimator APIs are not available, so simply show
            // and hide the relevant UI components.
            mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
            mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
        }
    }

    @Override
    public Loader<Cursor> onCreateLoader(int i, Bundle bundle) {
        return new CursorLoader(this,
                // Retrieve data rows for the device user's 'profile' contact.
                Uri.withAppendedPath(ContactsContract.Profile.CONTENT_URI,
                        ContactsContract.Contacts.Data.CONTENT_DIRECTORY), ProfileQuery.PROJECTION,

                // Select only email addresses.
                ContactsContract.Contacts.Data.MIMETYPE +
                        " = ?", new String[]{ContactsContract.CommonDataKinds.Email
                .CONTENT_ITEM_TYPE},

                // Show primary email addresses first. Note that there won't be
                // a primary email address if the user hasn't specified one.
                ContactsContract.Contacts.Data.IS_PRIMARY + " DESC");
    }

    @Override
    public void onLoadFinished(Loader<Cursor> cursorLoader, Cursor cursor) {
        List<String> emails = new ArrayList<>();
        cursor.moveToFirst();
        while (!cursor.isAfterLast()) {
            emails.add(cursor.getString(ProfileQuery.ADDRESS));
            cursor.moveToNext();
        }

        addEmailsToAutoComplete(emails);
    }

    @Override
    public void onLoaderReset(Loader<Cursor> cursorLoader) {

    }

    private void addEmailsToAutoComplete(List<String> emailAddressCollection) {
        //Create adapter to tell the AutoCompleteTextView what to show in its dropdown list.
        ArrayAdapter<String> adapter =
                new ArrayAdapter<>(LoginActivity.this,
                        android.R.layout.simple_dropdown_item_1line, emailAddressCollection);

        mEmailView.setAdapter(adapter);
    }


    private interface ProfileQuery {
        String[] PROJECTION = {
                ContactsContract.CommonDataKinds.Email.ADDRESS,
                ContactsContract.CommonDataKinds.Email.IS_PRIMARY,
        };

        int ADDRESS = 0;
        int IS_PRIMARY = 1;
    }

    /**
     * Represents an asynchronous login/registration task used to authenticate
     * the user.
     */
    public class UserLoginTask extends AsyncTask<Void, Void, Boolean> {

        private final String mEmail;
        private final String mPassword;

        UserLoginTask(String email, String password) {
            mEmail = email;
            mPassword = password;
        }

        @Override
        protected Boolean doInBackground(Void... params) {
            // TODO: attempt authentication against a network service.

            try {
                String loginUrl = WebConfig.EJQ_DOMIN + WebConfig.LOING_PATH;
                StringBuilder paramsData = new StringBuilder();
                paramsData.append("j_username=").append(mEmail).append("&j_password=").append(mPassword);

                LoginResult result = HttpUtil.doLoginResultPost(loginUrl, paramsData.toString());
                System.out.println(result.toString());
                if (result.getStatus().equals("y")) {
                    PreferencesUtil.put(LoginActivity.this, userNameKey, mEmail);
                    PreferencesUtil.put(LoginActivity.this, pwdKey, mPassword);

                    cookieVal = result.getCookies();

                    return true;
                }

            } catch (Exception e) {
                e.printStackTrace();
            }

           /* for (String credential : DUMMY_CREDENTIALS) {
                String[] pieces = credential.split(":");
                if (pieces[0].equals(mEmail)) {
                    // Account exists, return true if the password matches.
                    return pieces[1].equals(mPassword);
                }
            }*/

            // TODO: register the new account here.
            return false;
        }

        @Override
        protected void onPostExecute(final Boolean success) {
            mAuthTask = null;
            showProgress(false);

            if (success) {
                    TagAliasOperatorHelper.TagAliasBean tagAliasBean = new TagAliasOperatorHelper.TagAliasBean();
                    tagAliasBean.isAliasAction = true;
                    tagAliasBean.action = TagAliasOperatorHelper.ACTION_SET;
                    tagAliasBean.alias = mEmail;
                    TagAliasOperatorHelper.getInstance().handleAction(getApplicationContext(),++ TagAliasOperatorHelper.sequence,tagAliasBean);

                goWebView();
                finish();
            } else {
                mPasswordView.setError(getString(R.string.error_incorrect_password));
                mPasswordView.requestFocus();
            }
        }

        @Override
        protected void onCancelled() {
            mAuthTask = null;
            showProgress(false);
        }
    }

    @Override
    protected void onResume() {
        isForeground = true;
        super.onResume();
    }


    @Override
    protected void onPause() {
        isForeground = false;
        super.onPause();
    }

    //for receive customer msg from jpush server
    private MessageReceiver mMessageReceiver;
    public static final String MESSAGE_RECEIVED_ACTION = "com.example.jpushdemo.MESSAGE_RECEIVED_ACTION";
    public static final String KEY_TITLE = "title";
    public static final String KEY_MESSAGE = "message";
    public static final String KEY_EXTRAS = "extras";

    public void registerMessageReceiver() {
        mMessageReceiver = new MessageReceiver();
        IntentFilter filter = new IntentFilter();
        filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY);
        filter.addAction(MESSAGE_RECEIVED_ACTION);
        LocalBroadcastManager.getInstance(this).registerReceiver(mMessageReceiver, filter);
    }

    public class MessageReceiver extends BroadcastReceiver {

        @Override
        public void onReceive(Context context, Intent intent) {
            try {
                if (MESSAGE_RECEIVED_ACTION.equals(intent.getAction())) {
                    String messge = intent.getStringExtra(KEY_MESSAGE);
                    String extras = intent.getStringExtra(KEY_EXTRAS);
                    StringBuilder showMsg = new StringBuilder();
                    showMsg.append(KEY_MESSAGE + " : " + messge + "\n");
                    if (!ExampleUtil.isEmpty(extras)) {
                        showMsg.append(KEY_EXTRAS + " : " + extras + "\n");
                    }
                    //etCostomMsg(showMsg.toString());
                }
            } catch (Exception e) {
            }
        }
    }

//    private void setCostomMsg(String msg) {
//        if (null != msgText) {
//            msgText.setText(msg);
//            msgText.setVisibility(android.view.View.VISIBLE);
//
//        }
//    }


    /*zbard二维码*/
    public void goZbardScan(View view){
        startActivity(new Intent(this, ZbardScanActivity.class));
    }

    private static final int REQUEST_CODE_QRCODE_PERMISSIONS = 1;


    @Override
    public void onPermissionsGranted(int requestCode, List<String> perms) {
    }

    @Override
    public void onPermissionsDenied(int requestCode, List<String> perms) {
    }

    @AfterPermissionGranted(REQUEST_CODE_QRCODE_PERMISSIONS)
    private void requestCodeQRCodePermissions() {
        String[] perms = {android.Manifest.permission.CAMERA, android.Manifest.permission.READ_EXTERNAL_STORAGE};
        if (!EasyPermissions.hasPermissions(this, perms)) {
            EasyPermissions.requestPermissions(this, "扫描二维码需要打开相机和散光灯的权限", REQUEST_CODE_QRCODE_PERMISSIONS, perms);
        }
    }

}
